// Copyright (C) 2014 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 13.6.4
description: >
    Mapped arguments object mutation via alias during traversal using for..of
info: |
    "Mapped" arguments objects should be able to be traversed using a `for..of`
    loop, and dynamic changes to the formal parameters should be reflected in
    the iterated values.
flags: [noStrict]
---*/

function Test() {
    var expected = [1, 3, 1];
    var i = 0;

    (function(a, b, c) {
      for (var value of arguments) {
        a = b;
        b = c;
        c = i;
        assert.sameValue(value, expected[i], 'argument at index ' + i);
        i++;
      }

    }(1, 2, 3));

    assert.sameValue(i, 3, 'Visits all arguments');
}

// preheat
const NUMBER_OF_PREHEAT = 1;
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}

ArkTools.jitCompileAsync(Test);
assert.sameValue(ArkTools.waitJitCompileFinish(Test), true, '[JIT] JIT disabled.');

// test
const NUMBER_OF_TEST = 1; // or 2
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}
